CA2007073C - Light weight polyester article - Google Patents

Light weight polyester article

Info

Publication number
CA2007073C
CA2007073C CA002007073A CA2007073A CA2007073C CA 2007073 C CA2007073 C CA 2007073C CA 002007073 A CA002007073 A CA 002007073A CA 2007073 A CA2007073 A CA 2007073A CA 2007073 C CA2007073 C CA 2007073C
Authority
CA
Canada
Prior art keywords
thermoplastic resin
resin composition
specified
sheet
polyolefin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002007073A
Other languages
English (en)
French (fr)
Other versions
CA2007073A1 (en
Inventor
Tak Man Cheung
Charles Leo Davis
Jack Edward Prince
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
M&G Polimeri Italia SpA.
Original Assignee
Shell Canada Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shell Canada Ltd filed Critical Shell Canada Ltd
Publication of CA2007073A1 publication Critical patent/CA2007073A1/en
Application granted granted Critical
Publication of CA2007073C publication Critical patent/CA2007073C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/10—Extrusion moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B29C44/3446—Feeding the blowing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0861—Other specified values, e.g. values or ranges
    • B29C2949/0862—Crystallinity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/428—Heating or cooling of moulds or mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/90—Direct application of fluid pressure differential to shape, reshape, i.e. distort, or sustain an article or preform and heat-setting, i.e. crystallizing of stretched or molecularly oriented portion thereof
    • Y10S264/901—Heat-setting of stretched or molecularly oriented article formed from planar preform, e.g. sheet, film

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CA002007073A 1989-03-31 1990-01-03 Light weight polyester article Expired - Fee Related CA2007073C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US331,140 1989-03-31
US07/331,140 US4981631A (en) 1989-03-31 1989-03-31 Process for making lightweight polyester articles

Publications (2)

Publication Number Publication Date
CA2007073A1 CA2007073A1 (en) 1990-09-30
CA2007073C true CA2007073C (en) 1999-12-21

Family

ID=23292765

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002007073A Expired - Fee Related CA2007073C (en) 1989-03-31 1990-01-03 Light weight polyester article

Country Status (8)

Country Link
US (1) US4981631A (ko)
EP (1) EP0390723B1 (ko)
JP (1) JPH078531B2 (ko)
KR (1) KR0145414B1 (ko)
AU (1) AU632373B2 (ko)
CA (1) CA2007073C (ko)
DE (1) DE69027249T2 (ko)
DK (1) DK0390723T3 (ko)

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US5000991B2 (en) * 1988-12-01 2000-07-11 Sekisui Plastics Process for producing polyester resin foam and polyester resin foam sheet
JP2730795B2 (ja) * 1990-11-02 1998-03-25 ポリプラスチックス株式会社 熱可塑性ポリエステル樹脂組成物
JPH04113928U (ja) * 1991-03-25 1992-10-06 積水化成品工業株式会社 食品容器
JPH04113929U (ja) * 1991-03-26 1992-10-06 積水化成品工業株式会社 飲食品用容器
CA2042340A1 (en) * 1991-05-10 1992-11-11 Motoshige Hayashi Leather-like thermoplastic polyester series resin sheet and process for production of the same
US5360829A (en) * 1991-07-12 1994-11-01 Kanebo, Ltd. Foamed polyester sheet and process for the production thereof
JP3107569B2 (ja) * 1991-07-12 2000-11-13 鐘紡株式会社 発泡ポリエステルシート及びその製造法
JP2673623B2 (ja) * 1991-10-01 1997-11-05 旭化成工業株式会社 合成樹脂の成形法
EP0536517A3 (en) * 1991-10-07 1993-06-02 Staeger & Co. Ag Plastic container produced by deep drawing
US5223545A (en) * 1992-02-03 1993-06-29 The Board Of Regents Of The University Of Washington Polyethylene terephthalate foams with integral crystalline skins
US5458832A (en) * 1993-01-08 1995-10-17 The Furukawa Electric Co., Ltd. Method for manufacturing a foamed plastics of saturated polyester using a cyclic tetramer as foaming agent
JP2711205B2 (ja) * 1993-01-20 1998-02-10 鐘紡株式会社 複合発泡ポリエステルシート
US5536793A (en) * 1993-01-29 1996-07-16 Amoco Corporation Concentrate for use in the melt fabrication of polyester
US5475037A (en) * 1993-02-02 1995-12-12 The Dow Chemical Company Amorphous polyester foam
IL110514A0 (en) * 1993-10-04 1994-10-21 Eastman Chem Co Concentrates for improving polyester compositions and a method for preparing such compositions
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US5641549A (en) * 1993-10-22 1997-06-24 Shell Oil Company Cellularized polyesters
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US6063316A (en) * 1996-07-11 2000-05-16 Genpak, L.L.C. Method for producing polymer foam using a blowing agent combination
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US6120863A (en) 1996-10-18 2000-09-19 Fort James Corporation Disposable food contact compatible microwaveable containers having at least one micronodular surface and process for their manufacture
US5681865A (en) * 1996-11-05 1997-10-28 Genpak Corporation Method for producing polyester foam
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US6211501B1 (en) 1998-03-20 2001-04-03 Fort James Corporation Thermoformed polypropylene mineral-filled microwaveable containers having food contact compatible olfactory properties and process for their manufacture
US6044597A (en) * 1998-04-17 2000-04-04 Rite-Hite Holding Corporation Friction reducing member for dock seal
US5985190A (en) * 1998-04-28 1999-11-16 Genpak, L.L.C. Method and system for forming low-density polymer foam article
US6241096B1 (en) 1999-06-18 2001-06-05 Fort James Corporation Disposable servingware with nesting resistant flange patterns
USD434604S (en) * 1999-06-18 2000-12-05 Fort James Corporation Flange pattern for a disposable food serving bowl
US6474497B1 (en) 1999-07-02 2002-11-05 Fort James Corporation Smooth profiled food service articles
US6401962B1 (en) 1999-07-02 2002-06-11 Fort James Corporation Disposable food serving bowl
US6440509B1 (en) 1999-07-16 2002-08-27 Fort James Corporation Compartmented disposable plate with asymmetric rib geometry
US6814905B1 (en) * 1999-12-02 2004-11-09 Associated Packaging Enterprises, Inc. Continuous process and apparatus for making thermoformed articles
US6576309B2 (en) 1999-12-02 2003-06-10 Associated Packaging Enterprises Thermoplastic compositions having high dimensional stability
AU2001296401A1 (en) * 2000-09-29 2002-04-08 Trexel, Inc. Dimensionally-stable, thin, molded polymeric material at fast cycle time
US6773735B1 (en) 2000-11-28 2004-08-10 Associated Packaging Enterprises, Inc. Multi-layered thermoplastic container
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US6881937B2 (en) * 2002-03-22 2005-04-19 Fort James Corporation Thermoformed food containers with enhanced rigidity
US9296126B2 (en) * 2003-05-17 2016-03-29 Microgreen Polymers, Inc. Deep drawn microcellularly foamed polymeric containers made via solid-state gas impregnation thermoforming
EP1636009A4 (en) * 2003-05-17 2010-12-22 Gregory L Branch PROCESS FOR PRODUCING THERMOFORMED ARTICLES FROM POLYMER IMPREGNATED WITH GAS
US7819790B2 (en) * 2004-02-20 2010-10-26 Dixie Consumer Products Llc Apparatus for making paperboard pressware with controlled blank feed
DE102004021006A1 (de) * 2004-04-20 2005-11-17 Etimex Primary Packaging Gmbh Tiefziehwerkzeug und Verfahren zum Tiefziehen einer Folie
AU2007306534B2 (en) 2006-10-13 2012-10-25 Cryovac, Inc. Heat-resistant molded foam articles and process for their manufacture
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US20100052201A1 (en) * 2008-03-03 2010-03-04 Microgreen Polymers, Inc. Foamed cellular panels and related methods
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Also Published As

Publication number Publication date
CA2007073A1 (en) 1990-09-30
KR900014484A (ko) 1990-10-24
AU6461190A (en) 1992-04-16
JPH02286725A (ja) 1990-11-26
US4981631A (en) 1991-01-01
DK0390723T3 (da) 1996-06-24
EP0390723A3 (en) 1992-06-10
DE69027249T2 (de) 1996-12-19
KR0145414B1 (ko) 1998-07-15
DE69027249D1 (de) 1996-07-11
EP0390723A2 (en) 1990-10-03
JPH078531B2 (ja) 1995-02-01
EP0390723B1 (en) 1996-06-05
AU632373B2 (en) 1992-12-24

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